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Immunostimulatory nature of ß-glucans and baker's yeast in gnotobiotic Artemia challenge tests
Marques, A.; Dhont, J.; Sorgeloos, P.; Bossier, P. (2007). Immunostimulatory nature of ß-glucans and baker's yeast in gnotobiotic Artemia challenge tests, in: VLIZ Coll. Rep. 35-36(2005-2006). VLIZ Collected Reprints: Marine and Coastal Research in Flanders, 35-36: pp. Chapter 52
In: (2007). VLIZ Coll. Rep. 35-36(2005-2006). VLIZ Collected Reprints: Marine and Coastal Research in Flanders, 35-36. Flanders Marine Institute (VLIZ): Oostende, more
In: VLIZ Collected Reprints: Marine and Coastal Research in Flanders. Vlaams Instituut voor de Zee: Oostende. ISSN 1376-3822, more

Also published as
  • Marques, A.; Dhont, J.; Sorgeloos, P.; Bossier, P. (2006). Immunostimulatory nature of ß-glucans and baker's yeast in gnotobiotic Artemia challenge tests. Fish Shellfish Immunol. 20(5): 682-692. dx.doi.org/10.1016/j.fsi.2005.08.008, more

Available in Authors 

Keywords
    Cultures; Immunology; Artemia Leach, 1819 [WoRMS]; Saccharomyces cerevisiae Meyen ex E.C. Hansen, 1883 [WoRMS]; Vibrio campbellii (Baumann, Baumann & Mandel, 1971) Baumann, Baumann, Bang & Woolkalis, 1981 [WoRMS]; Vibrio proteolyticus Baumann, Baumann & Mandel, 1971 [WoRMS]; Marine; Brackish water; Fresh water
Author keywords
    Artemia; gnotobiotic culture; Saccharomyces cerevisiae; beta-glucans; immune ability; Vibrio campbellii; Vibrio proteolyticus

Authors  Top 
  • Marques, A.
  • Dhont, J., more
  • Sorgeloos, P., more
  • Bossier, P., more

Abstract
    The use of new preventive approaches such as immunostimulants to reduce stress and mortalities, to maintain good health of cultured organisms and to stimulate the non-specific defence mechanism, is becoming increasingly important in aquaculture. Yet detailed analysis reveals that in most experiments the validity of some conclusions with respect to the benefit of immunostimulation is still doubtful, especially in invertebrates. The use of standardized trials under controlled rearing conditions, complemented with fundamental research on defence mechanisms can provide unequivocal evidence for the beneficial effects of immunostimulants in reducing invertebrate susceptibility to diseases or infections. This study investigated the use of small amounts of baker's yeast Saccharomyces cerevisiae and glucan particles (obtained from baker's yeast) in gnotobiotic Artemia to overcome the pathogenicity of two organisms: Vibrio campbellii and V. proteolyticus. Artemia supplemented with small quantities of a yeast strain presenting higher concentrations of ß-glucans or with glucan particles seemed to completely resist the detrimental effects of both pathogens. The higher amount and/or availability of ß-glucans in that yeast might play an essential role in such protection, as most probably glucans stimulate the immune response of the nauplii.

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